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Glioma is the most common brain tumor and the main cause of death from primary brain tumors. Due to the limitations of current diagnostic and treatment methods, the prognosis of high-grade glioma is not optimistic and is prone to venous thrombosis. Epithelial-mesenchymal transition (EMT) is a vital step for glioma cells to obtain a highly migratory and invasive cell phenotype. Tissue factor (TF) is the downstream target of several carcinogenic pathways. According to reports, the TF gene is highly methylated and down-regulated in IDH1 mutant gliomas with good prognosis. We aimed to investigate the impact of EMT on the expression of TF in glioma cells, as well as the corresponding mechanism. Our data indicated that the expression level of TF in glioma tissues increased, and was positively correlated with the WHO classification of glioma. After inducing EMT in glioma cells in vitro, TF expression increased significantly, indicating that EMT in glioma cells can promote TF expression. Further studies have shown that the expression level of ZEB1 is positively correlated with the WHO classification of glioma tissues and the expression level of TF in glioma tissues. This study proved that EMT promotes the expression of TF in glioma cells through the miR-200a/ZEB1 axis. In summary, these results indicated that EMT can promote the expression of TF in glioma cells via the miR-200a/ZEB1 axis. For gliomas, TF is related to EMT and has the potential to become an effective target against EMT and thrombotic events.
Pubmed ID: 35026295
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A research tool company focused on the creation of the largest commercial collection of full-length human cDNAs in a standard expression vector. The availability of the complete human genome sequence and the subsequent development of genome-based tools have enabled the identification of relevant drug targets through system biology approaches. OriGene''s vision is to prepare comprehensive, genome wide research tools and technology platforms to enable scientists to study complete biological pathways, thus enabling a better understanding of disease mechanisms including cancer and stem cell research. OriGene Technologies uses high-throughput, genome wide approach to develop products for pharmaceutical, biotechnology, and academic research. Their flagship product is the cDNA clone collection, a searchable gene bank of over 30,000 human full-length TrueClone cDNA collection and over 25,000 TrueORF cDNA clones. From their TrueORF cDNA clones, they have developed the largest offering of full length human proteins expressed in mammalian cells, ideal for functional studies. Their TrueMAB project develops mouse monoclonal antibodies against protein antigens with the goal to develop protein assays for every human protein. They also offer complete molecular biology services from codon optimization, gene synthesis, protein expression and assay development. In addition, they offer unique gene expression products such as TissueScan cancer tissue qPCR arrays and tissue biorepository for biomarker discovery and validation.
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